<template>
  <el-container class="home-container">
  <el-header>
  <div>
      <img src="../assets/heima.png" alt="">
    <span>电商后台管理系统</span>
  </div>
    
    <el-button type="info" @click="logout">退出</el-button>
    </el-header>
  <el-container>
    <el-aside :width="isCollapse?'64px':'200px'">
      <div class="toggle_button"  @click="toggleCollapse">|||</div>
        <el-menu   
      background-color="#333744"
      text-color="#fff"
      active-text-color="#409EFF"
      :unique-opened="true"
      :collapse="isCollapse"
      :collapse-transition="false"
      router
      :default-active="activePath"
      >

      <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
        <template slot="title">
          <i :class="iconsObj[item.id]"></i>
          <span>{{item.authName}}</span>
        </template>
        
        <el-menu-item :index="'/'+i.path" v-for="i in item.children" :key="i.id"  @click="savePath('/'+i.path)">
          <template slot="title">
          <i class="el-icon-menu"></i>
          <span>{{i.authName}}</span>
        </template>
        </el-menu-item>
      </el-submenu>
     
    </el-menu>

    </el-aside>
    <el-main>
      <router-view></router-view>
    </el-main>
  </el-container>
</el-container>
</template>
<script>
export default {
  data:function(){
    return {
      menulist:[],
      iconsObj:{
        '125':'iconfont icon-user',
        '103':'iconfont icon-tijikongjian',
        '101':'iconfont icon-shangpin',
        '102':'iconfont icon-danju',
        '145':'iconfont icon-baobiao'
      },
      isCollapse:false,
      activePath:''
    }

  },
  created:function(){
    this.getMenuList()
    this.activePath=window.sessionStorage.getItem('path')
  },
  methods: {
    logout: function() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    getMenuList:async function(){
      const {data:res}=await this.$http.get('menus')
      if(res.meta.status!==200)return this.$message.error(res.meta.msg)
      this.menulist=res.data

    },
    toggleCollapse:function(){
this.isCollapse=!this.isCollapse
    },
     savePath:function(path){
 window.sessionStorage.setItem('path',path)
this.activePath=path
  }

  }
  
 
}
</script>
<style lang="less" scoped>
.toggle_button{
  color: #fff;
  font-size: 10px;
  text-align: center;
  line-height: 20px;
  height: 20px;
  background-color: #4a5064;
  letter-spacing: 0.2em;
  cursor: pointer;
}
.iconfont{margin-right: 10px;}
.home-container{
  height: 100%;
}
.el-header{
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  div{
    display: flex;
    align-items: center;
    span{
      margin-left: 15px;
    }
  }

}
.el-aside{
  background-color: #333744;
  .el-menu{
    border-right: 0px;
  }
}
.el-main{
  background-color: #eaedf1;
}
</style>